vulnerability

SUSE: CVE-2025-6442: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:C/A:N)
Published
Aug 8, 2025
Added
Aug 14, 2025
Modified
Sep 16, 2025

Description

Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions.

The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.

Solutions

suse-upgrade-libruby2_5-2_5suse-upgrade-ruby2-5suse-upgrade-ruby2-5-develsuse-upgrade-ruby2-5-devel-extrasuse-upgrade-ruby2-5-docsuse-upgrade-ruby2-5-doc-risuse-upgrade-ruby2-5-stdlib
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.